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Logging levels - Logback - rule-of-thumb to assign log levels

...he fix probably requires human intervention. The "2AM rule" applies here- if you're on call, do you want to be woken up at 2AM if this condition happens? If yes, then log it as "error". warn: an unexpected technical or business event happened, customers may be affected, but probably no immediate h...
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Parse a URI String into Name-Value Collection

... If you are looking for a way to achieve it without using an external library, the following code will help you. public static Map<String, String> splitQuery(URL url) throws UnsupportedEncodingException { Map<Stri...
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What is the correct file extension for GLSL shaders? [closed]

I'm learning glsl shading and I've come across different file formats. I've seen people giving their vertex and fragment shaders .vert and .frag extensions. But I've also seen .vsh and .fsh extensions, and even both shaders together in a single .glsl file. So I'm wondering if there is a st...
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Regular expression matching a multiline block of text

...efeed (\n), a carriage-return (\r), or a carriage-return+linefeed (\r\n). If you aren't certain that your target text uses only linefeeds, you should use this more inclusive version of the regex: re.compile(r"^(.+)(?:\n|\r\n?)((?:(?:\n|\r\n?).+)+)", re.MULTILINE) BTW, you don't want to use the D...
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What is Ruby's double-colon `::`?

...affect instance methods defined on a class, since you access those with a different syntax (the dot .). Relevant note: If you want to go back to the top-level namespace, do this: ::SomeModule – Benjamin Oakes share ...
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send/post xml file using curl command line

... If that question is connected to your other Hudson questions use the command they provide. This way with XML from the command line: $ curl -X POST -d '<run>...</run>' \ http://user:pass@myhost:myport/path/of/url...
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Run task only if host does not belong to a group

I'd like to able to run an ansible task only if the host of the current playbook does not belong to a certain group. In semi pseudo code: ...
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Best Practice for Forcing Garbage Collection in C#

...ould be avoided because it may create performance issues. " However, if you can reliably test your code to confirm that calling Collect() won't have a negative impact then go ahead... Just try to make sure objects are cleaned up when you no longer need them. If you have custom objects, look a...
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What is the use for IHttpHandler.IsReusable?

... This property indicates if multiple requests can be processed with the same IHttpHandler instance. By default at the end of a request pipeline all http handlers that are placed in the handlerRecycleList of the HttpApplication are set to null. If a h...
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Determine if ActiveRecord Object is New

How can I check if an ActiveRecord object is new or is already persisted? 2 Answers ...